impassable is a valid English word

Scrabble validity: valid ( international - Sowpods, US - Twl06 )
iScramble validity: valid
QuickWords validity: valid

Meanings

Adjective (COMPARABLE)

(of a route, terrain, etc.) Incapable of being passed over, crossed, or negotiated.
(of an obstacle) Incapable of being overcome or surmounted.
(of currency) Not usable as legal tender.

impassable is a Scrabble valid word

i1m3p3a1s1s1a1b3l1e1

• International English (Sowpods) - The word is valid in Scrabble ✔
• US English (TWL06) - The word is valid in Scrabble ✔
• 16 points

impassable is an iScramble, QuickWords valid word

i1m2p3a4s5s6a7b8l9e10

• The word is valid in iScramble ✔
• The word is valid in QuickWords ✔
• 55 points

Same letters words (Anagrams)

• none

Same letters plus one

• none

Same letters minus one

• LAMBIASES
• MAILBASES
• MALPAISES